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Finding the Fourth Proportional to 292,063.81, 403,230.51 and 223,949.92

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Solution

The fourth proportional to 292,063.81, 403,230.51 and 223,949.92 is: 309,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,063.81 : 403,230.51 = 223,949.92 : x
  2. Step 2: Convert to fraction form
    292,063.81/403,230.51 = 223,949.92/x
  3. Step 3: Cross multiply
    292,063.81x = 403,230.51 × 223,949.92
  4. Step 4: Simplify right side
    292,063.81x = 90,303,440,456.06
  5. Step 5: Solve for x
    x = 90,303,440,456.06/292,063.81
  6. Step 6: Final answer
    x = 309,190.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.